How to Treat Bronchitis and Cough Naturally? Introduction Diet and Lifestyle Home Remedies Bronchitis is defined as the swelling or inflammation in the bronchial tubes, which carry air between the lungs, mouth and the nose. Patients suffering from bronchitis have difficulty in inhaling oxygen into the lungs. Inhaling toxic fumes due to pollution is a common cause of bronchitis. Inhaling polluted air can be dangerous for the patients of bronchitis. Smokers are at a higher risk of developing this disease,